植物学
发表于 2025-3-23 12:21:27
Numerical Modeling of Impacts into Shallow Sea,n in the basement is found to be approximately 2. It is also shown that 200–300 m impactors can be disrupted, deformed and even decelerated during the flight through the Earth’s atmosphere. These effects and their influence upon cratering are also investigated.
吝啬性
发表于 2025-3-23 16:07:35
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影响
发表于 2025-3-23 19:32:32
Re-examining Structural Data from Impact Craters on the Canadian Shield in the Light of Theoretical structure, gravity and other geophysical parameters, the development and emplacement of pseudotachylites, as well as the distribution of melts rocks and associated allochthonous breccias. This leads to the following:
老人病学
发表于 2025-3-24 00:41:20
Geophysics and Petrophysics of the Popigai Impact Structure, Siberia, forward modelling of an E-W profile through the crater is initialized using existing and recently-acquired petrophysical data and a structural cross-section based on geologic mapping and drill hole information. Petrophysical measurements indicate that lithologies making up the crater fill have susc
闪光你我
发表于 2025-3-24 05:28:47
Impact-Generated Hydrothermal Systems: Data from Popigai, Kara, and Puchezh-Katunki Impact Structurt melt rocks filling the craters, a vertical zonation of clay minerals is only outlined, whereas the distribution of other minerals mainly results from different host lithologies. The mineral assemblages indicate post-impact hydrothermal alteration at temperatures of 50–350°C, pH of 6–8, and Eh > −0
不能平静
发表于 2025-3-24 08:56:43
Geology and Petrography of the Zapadnaya Impact Crater in the Ukrainian Shield, quartz, feldspars, and some other minerals characterize impactites, including autochthonous breccias. High-pressure phases in impact rocks consist of coesite and impact diamond; the latter occur in glass-rich suevites and impact-melt rocks.
必死
发表于 2025-3-24 14:32:50
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身体萌芽
发表于 2025-3-24 15:32:17
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Ptosis
发表于 2025-3-24 21:36:40
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难听的声音
发表于 2025-3-24 23:11:24
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